Enhanced descriptions from Syndetics:

Special Agent Bex arranges to meet teenage Kieron in a cafe to tell him that she can't risk his life any more. She parks her car and seconds later it blows up, scattering flaming wreckage everywhere. Bex needs to grab Kieron and get him out of danger's way but his friend Sam is also in the cafe. He had followed Kieron to find out what secrets he was keeping from her. Bex has to take Sam and Kieron back to her flat, but just as they get there it too explodes. Someone is trying to kill them, but whoever it is doesn't know about Kieron. That may be their only saving grace. But how were the explosions managed? And who wants them dead?

When two bombs go off in quick succession, Kieron and special agent Bex are forced to face the possibility that someone wants to kill them. Trying to find out who and why pits them against a ruthless band of international assassins...